近年来我国北方普遍采用地膜植棉,不少人只看到了地膜的增温保墒作用,忽视了地膜的副作用,常常遇到霜冻、冷害、热害及青枯,造成缺苗断垅及毁种重播。目前,缺苗是地膜棉花产量不高的主要原因。为了摸清地膜棉花苗期气象灾害发生的条件、规 In recent years, the northern part of our country has widely used the plastic film cotton. Many people only saw the effect of plastic film’s warming and soil moisture, neglected the side effects of the plastic film, often encountered frost, chilling damage, Replay. At present, the lack of seedlings is the main reason for low yield of plastic film mulch. In order to find out the film mulberry seedling meteorological disaster conditions, regulations